HTML assign variable to element name

Is there a way to assign a variable to the element name so that I can access the element and change the value: [%FOREACHfieldIN['id','type','updatedt','lastcheckdt']%]<divclass="rowcol-md- 3col-sm-6"><dlclass="details-dl"><label>[%field%]</

P粉148782096 2023-09-09 20:57:07 0  2  466

How to get the global variable of an element to avoid being polluted?

var ele=document.getElementById('btn'); When writing native js, you need to obtain a large number of page elements. Now that there are too many global variables, how do you avoid being polluted?

曾经蜡笔没有小新 2017-05-19 10:11:18 0  4  584

Can we leave the first element blank when declaring a constant using useState?

Can we write const[,setOpenCollapse]=React.useState(false);? If I leave the first element blank when declaring a constant using useState in React, is this valid syntax?

P粉052724364 2023-09-14 13:59:15 0  1  389

php - [WeChat] Get the material list interface, get all when getting the picture and text list? ?

WeChat’s interface for obtaining a permanent material list, the parameters are written as follows: The document states: The number of returned materials is between 1-20. I get the picture material list, no problem, I can control the returned quantity through the count parameter. But when getting the...

过去多啦不再A梦 2017-05-24 11:34:22 0  1  1042

How to right align grid elements

I have a fixed number of columns in a CSSGrid layout and have elements to be placed in these columns. The number of elements to be placed is less than the number of columns. I want the columns to be aligned to the right, in the order the elements were added. In the following code, there are 4 elemen...

P粉296080076 2023-08-13 11:27:01 0  1  596

list statement problem

Does the list statement essentially convert the values ​​of array elements into variables? If it is an element as you said, shouldn't it be in the form [0]=>1?

Adrian 2018-10-17 18:38:01 0  1  1139

css3 - How to align child elements under flex layout?

As shown in the picture, I use justify-content:space-around;, but I hope that the second row of sub-elements can be aligned up and down with the first row. The number of sub-elements is not fixed. How to solve it?

淡淡烟草味 2017-07-04 13:45:08 0  4  1755

How to set the width of a sublist of flex:auto elements

Hello, I have a CSS problem. There are two columns, the right (B) column has a fixed width of 100px and the left (A) column must fill the remaining width. Additionally, within column A, there is a list of subcomponents added horizontally. The problem is that when adding child components, the width o...

P粉676588738 2023-09-09 18:09:18 0  2  569

javascript - Is there any simpler way to distribute the elements of a collection equally to another array object?

Array A=["G","D","B","H"], the number of elements is variable, and the element content can be any character set B=[{"id":"a",item:""} ,{"id":"a=b",item:""}], variable quantity, fixed structure

phpcn_u1582 2017-05-17 10:09:17 0  2  644

How to use function old() in Blade template to get the last element of array

How can I get the last element of the array 'g3' inside the old() function without knowing the number of elements. <selectname="g3[]"multiple="multiple"><optionvalue="1"@if(old('g3')=="1"){{'selected'}}@endif>lifting</op

P粉309989673 2023-09-02 22:00:20 0  2  562

javascript - Why can an array with 3 object elements only access the first element?

There are three elements in the status expansion. Status[0] is the object element I pushed into it, and status[1] and status[2] are all kinds of undefined. Why? The following is the complete code. After trying it several times, I think it has something to do with the variable scope, but the array va...

PHP中文网 2017-05-19 10:23:15 0  4  593

json added to MySQL

How to add new element to json variable in mySQL from this: value=['123'] do this: value=['123','456']

P粉939473759 2024-04-04 19:17:30 0  1  469

python - how to use variables in xpath

How to use variables in xpath? I want to select elements whose id is a certain value. This value is a variable. {Code...} Where the value of val is 'images', what is the syntax for using variables in xpath.

仅有的幸福 2017-06-28 09:26:23 0  4  1666

Eliminate flickering during page load events when modifying existing DOM elements

I have the following DOM element changing function using plain JavaScript, in which I use a page load event to change a span element containing some text string of the DOM. Using the following code, the DOM elements will change as expected. However, they still see a minimal portion of the flickering...

P粉143640496 2024-03-26 19:30:32 0  2  506